Metal deforming – By twisting axially moving work
Reexamination Certificate
2006-09-26
2006-09-26
Banks, Derris H. (Department: 3725)
Metal deforming
By twisting axially moving work
C072S065000, C072S299000, C072S371000
Reexamination Certificate
active
07111483
ABSTRACT:
Apparatus and methods are utilized to form turbulators. The apparatus includes a first mechanism for accepting a ribbon of material along an axis, a second mechanism for rotating an end of the ribbon of material, and a third mechanism for moving the second mechanism substantially parallel to the axis. The third mechanism is configured to operate independently from the operation of the second mechanism.
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Metalcraft Machinery—Metal Twister available at: http://www.metal-craft.addr.com/twister.html.
Thermal Dynamics' Design and Manufacturing available at: http://www.thermaldynamics.com/design.html.
BFuel Efficiency, LLC.—Turbulators available at: http://www.fuelefficiencyllc.com/fehxturb.html.
Fin Cool available at: http://www.haydenind.com/swirl.html.
Inner Swirl Turbulator available at: http://www.haydenind.com/design.html.
Exact Exchanger Incorporated—product features available at: http://www.exactexchanger.com/Product—Features/product—features.html.
Metal Roller, Metal Scroller & Metal Twister—Metal Ace Metalworking Machinery available at: http://www.metalace.com.au/scr.html.
Cotter Jeffrey G.
Deibert John
King David
Ziolkowski Gerald
Alco Industries
Armstrong Teasdale LLP
Banks Derris H.
Bonk Teresa M.
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